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Finding the Fourth Proportional to 354,822.80, 532,234.20 and 347,824.40

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Solution

The fourth proportional to 354,822.80, 532,234.20 and 347,824.40 is: 521,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,822.80 : 532,234.20 = 347,824.40 : x
  2. Step 2: Convert to fraction form
    354,822.80/532,234.20 = 347,824.40/x
  3. Step 3: Cross multiply
    354,822.80x = 532,234.20 × 347,824.40
  4. Step 4: Simplify right side
    354,822.80x = 185,124,041,274.48
  5. Step 5: Solve for x
    x = 185,124,041,274.48/354,822.80
  6. Step 6: Final answer
    x = 521,736.60

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